/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #fafafa;
    --bg-white: #ffffff;
    --bg-dark: #0f1115;
    --bg-card: #ffffff;
    --text: #1a1a1a;
    --text-secondary: #5a5a5a;
    --text-muted: #8a8a8a;
    --accent: #c8a048;
    --accent-hover: #b38d38;
    --accent-light: #f7f0dc;
    --positive: #16a34a;
    --negative: #dc2626;
    --border: #e5e5e5;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.08);
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 16px;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 700;
}

h2 {
    font-size: 2.25rem;
    text-align: center;
    margin-bottom: 8px;
}

.section-sub {
    text-align: center;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 48px;
    font-size: 1.1rem;
}

/* ===== Nav ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(250, 250, 250, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    font-size: 1.35rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--text);
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--text);
}

.nav-cta {
    font-size: 0.875rem;
    font-weight: 600;
    padding: 8px 20px;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 100px;
    transition: background 0.2s;
}

.nav-cta:hover {
    background: var(--accent-hover);
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 100px;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    text-align: center;
}

.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(200, 160, 72, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--text);
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
    padding: 10px 24px;
    font-size: 0.9rem;
}

.btn-outline:hover {
    background: var(--accent);
    color: white;
}

.btn-full {
    width: 100%;
}

/* ===== Hero ===== */
.hero {
    padding: 140px 0 80px;
    text-align: center;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-white) 100%);
}

.hero-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    background: var(--accent-light);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-sub {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 36px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

.hero-live {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.live-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.live-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.live-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
}

/* ===== Lottery Comparison ===== */
.lottery {
    padding: 100px 0;
    background: var(--bg-white);
}

.model-selector {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
}

.model-btn {
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 10px 24px;
    background: var(--bg);
    color: var(--text-secondary);
    border: 2px solid var(--border);
    border-radius: 100px;
    cursor: pointer;
    transition: all 0.2s;
}

.model-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.model-btn.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.comparison-table {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 24px;
    align-items: start;
    max-width: 900px;
    margin: 0 auto 40px;
}

.comp-col {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.comp-miner {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent), var(--shadow-lg);
}

.comp-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.comp-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

.comp-miner .comp-header {
    background: var(--accent-light);
}

.comp-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 24px;
    border-bottom: 1px solid #f0f0f0;
}

.comp-row:last-child {
    border-bottom: none;
}

.comp-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.comp-value {
    font-size: 0.9rem;
    font-weight: 600;
    text-align: right;
}

.comp-value.positive {
    color: var(--positive);
}

.comp-value.negative {
    color: var(--negative);
}

.comp-vs {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-muted);
    padding-top: 120px;
}

.lottery-summary {
    max-width: 700px;
    margin: 0 auto 40px;
    background: var(--accent-light);
    border-radius: var(--radius);
    padding: 24px 32px;
    text-align: center;
    font-size: 1.05rem;
    line-height: 1.7;
}

.summary-stats {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.summary-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 140px;
}

.summary-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-hover);
}

.summary-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 2px;
}

.pool-note {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 32px;
    background: var(--bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.pool-note h4 {
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.pool-note p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== Products ===== */
.products {
    padding: 100px 0;
    background: var(--bg);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0 0 24px;
    text-align: center;
    transition: all 0.2s;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-card.featured {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent), var(--shadow-lg);
}

.product-img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
}

.product-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent);
    background: var(--accent-light);
    padding: 4px 12px;
    border-radius: 100px;
    margin: 16px 0 12px;
}

.product-card h3 {
    font-size: 1.3rem;
    margin-bottom: 4px;
    padding: 0 16px;
}

.product-hashrate {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 12px;
}

.product-spec-list {
    list-style: none;
    padding: 0 16px;
    margin-bottom: 16px;
}

.product-spec-list li {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid #f5f5f5;
    font-size: 0.8rem;
}

.product-spec-list li:last-child {
    border-bottom: none;
}

.spec-label {
    color: var(--text-muted);
}

.spec-value {
    font-weight: 600;
    color: var(--text);
}

.product-price {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    padding: 0 16px;
}

.product-card .btn-outline {
    margin: 0 16px;
    display: block;
}

/* ===== Video Section ===== */
.video-section {
    padding: 100px 0;
    background: var(--bg-white);
}

.video-wrapper {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ===== Why ===== */
.why {
    padding: 100px 0;
    background: var(--bg);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.why-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.why-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.why-card h4 {
    margin-bottom: 8px;
    font-size: 1.05rem;
}

.why-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== About ===== */
.about {
    padding: 100px 0;
    background: var(--bg-dark);
    color: white;
}

.about h2 {
    text-align: left;
}

.about-inner {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: start;
}

.about-text p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 16px;
    font-size: 1.05rem;
    line-height: 1.7;
}

.about-points {
    list-style: none;
    margin-top: 24px;
}

.about-points li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: rgba(255,255,255,0.8);
    font-size: 0.95rem;
}

.about-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 32px;
    padding-top: 8px;
}

.about-stats .proof-stat {
    text-align: left;
}

.proof-stat {
    text-align: center;
}

.proof-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 4px;
    line-height: 1;
}

.proof-label {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}

/* ===== Learn / Getting Started ===== */
.learn {
    padding: 100px 0;
    background: var(--bg-white);
}

.learn-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.learn-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.learn-step {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.learn-card h4 {
    margin-bottom: 8px;
    font-size: 1.05rem;
}

.learn-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ===== FAQ ===== */
.faq {
    padding: 100px 0;
    background: var(--bg);
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-item summary {
    padding: 20px 0;
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--text-muted);
    transition: transform 0.2s;
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-item[open] summary::after {
    content: '-';
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item p {
    padding: 0 0 20px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== Waitlist ===== */
.waitlist {
    padding: 100px 0;
    background: var(--bg-white);
}

.waitlist-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}

.form-group input,
.form-group select {
    font-family: inherit;
    font-size: 0.95rem;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--text);
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.waitlist-form .btn {
    margin-top: 8px;
}

.form-note {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 12px;
}

.waitlist-success {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.waitlist-success h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: var(--positive);
}

.waitlist-success p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* ===== Footer ===== */
.footer {
    padding: 60px 0 24px;
    background: var(--bg-dark);
    color: rgba(255,255,255,0.7);
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    color: white;
    display: inline-block;
    margin-bottom: 8px;
}

.footer-brand p {
    font-size: 0.85rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: white;
}

.footer-contact p {
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.footer-contact a {
    color: var(--accent);
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.35);
    text-align: center;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    h2 {
        font-size: 1.75rem;
    }

    .section-sub {
        font-size: 1rem;
        margin-bottom: 36px;
    }

    .nav-links {
        gap: 12px;
    }

    .nav-link {
        display: none;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero-live {
        gap: 24px;
    }

    .comparison-table {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .comp-vs {
        padding-top: 0;
        padding: 8px 0;
    }

    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .product-card {
        padding-bottom: 20px;
    }

    .why-grid {
        grid-template-columns: 1fr;
    }

    .about-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about h2 {
        text-align: center;
    }

    .about-stats .proof-stat {
        text-align: center;
    }

    .about-stats {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 24px;
    }

    .learn-grid {
        grid-template-columns: 1fr;
    }

    .summary-stats {
        gap: 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .model-selector {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
}